<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>选项卡</title>
  <style type="text/css">
    
    .tab ul {
      overflow: hidden;
      padding: 0;
      margin: 0;
    }
    .tab ul li {
      box-sizing: border-box;
      padding: 0;
      float: left;
      width: 100px;
      height: 45px;
      line-height: 45px;
      list-style: none;
      text-align: center;
      border-top: 1px solid blue;
      border-right: 1px solid blue;
      cursor
    }
    .tab ul li:first-child {
      border-left: 1px solid blue;
    }
    .tab ul li.active {
      background-color: orange;
    }
    .tab div {
      width: 500px;
      height: 300px;
      display: none;
      text-align: center;
      font-size: 30px;
      line-height: 300px;
      border: 1px solid blue;
      border-top: 0px;
    }
    .tab div.current {
      display: block;
    }
  </style>
</head>
<body>
  <div id="app">
    <div class="tab">
      <ul>
        <li class="active" >apple</li>
		<li>orange</li>
		<li>lemon</li>
      </ul>
      <div class="current">
        <img  src="img/apple.png">
      </div>
	  <div  >
	    <img  src="img/orange.png">
	  </div>
	  <div  >
	    <img  src="img/lemon.png">
	  </div>
    </div>
  </div>
  <script type="text/javascript" src="js/vue.js"></script>
   
</body>
</html>
